UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nInRUwFfg+ab7rNPjKVXcMr2GX7zxbZXOQSpM7d3u7E=' 
WHERE 
  key_id = 'a951e6e7c7fd794d2a5db9f7fc1cb14d1e9deef594da610157b0c45b6742f062' 
  AND (
    token = 'nInRUwFfg+ab7rNPjKVXcMr2GX7zxbZXOQSpM7d3u7E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00051